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A child wishes to determine the speed a slingshot imparts to a rock. How can this be
Chapter 3, Problem 10Q(choose chapter or problem)
QUESTION:
Problem 10Q
A child wishes to determine the speed a slingshot imparts to a rock. How can this be done using only a meter stick, a rock, and the slingshot?
Questions & Answers
QUESTION:
Problem 10Q
A child wishes to determine the speed a slingshot imparts to a rock. How can this be done using only a meter stick, a rock, and the slingshot?
ANSWER:
Solution 10Q:
Step 1 of 2:-
Here we have to determine the speed of the slingshot.
If we fire the rock from the slingshot from a height which is already known, the horizontal distance covered by it can be measured by the meter stick.
The time of flight can be calculated very easily by the equations of motions as,
.
We know the height h and the acceleration due to gravity.
So,
.